Typical operating characteristics (continued) – Rainbow Electronics MAX13331 User Manual
Page 6
MAX13330/MAX13331
Automotive DirectDrive Headphone Amplifiers
with Output Protection and Diagnostics
6
_______________________________________________________________________________________
CROSSTALK vs. FREQUENCY
MAX13330/31 toc19
FREQUENCY (kHz)
CROSSTALK (dB)
0.1
1
10
-80
-60
-40
-90
-70
-50
-100
0.01
100
V
IN
= 200mV
P-P
R
L
= 32
Ω
RIGHT TO LEFT
LEFT TO RIGHT
GAIN FLATNESS vs. FREQUENCY
MAX13330/31 toc20
FREQUENCY (kHz)
GAIN (dB)
100
0.1
10
1
3.2
3.4
3.5
3.1
3.3
3.0
0.01
1000
MAX13330
V
IN
= 100mV
P-P
OUTL
OUTR
Typical Operating Characteristics (continued)
(V
DD
= V
CPVDD
= 5V, V
SGND
= V
PGND
= 0, C1 = C2 = 1µF, R
L
=
∞, gain = -1.5V/V, THD+N measurement bandwidth = 22Hz to 22kHz,
T
A
= +25°C, unless otherwise noted.)
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY
MAX13330/31 toc18
FREQUENCY (kHz)
PSRR (dB)
10
0.1
1
-100
-40
-110
-80
-60
-50
-90
-70
-120
0.01
100
V
DD
= 5V
OUTR
V
DD
= 5V
OUTL
V
RIPPLE
= 100mV
P-P
R
L
= 32
Ω
V
DD
= 4V
OUTR
V
DD
= 4V
OUTL
SUPPLY CURRENT vs. SUPPLY VOLTAGE
MAX13330/31 toc22
SUPPLY VOLTAGE (V)
SUPPLY CURRENT (mA)
5.25
4.75
5.00
4.50
5
7
10
2
1
6
9
4
3
8
0
4.00
4.25
5.50
SUPPLY CURRENT vs. TEMPERATURE
MAX13330/31 toc23
TEMPERATURE (
°C)
SUPPLY CURRENT (mA)
0
75
-25
100
6
10
12
4
2
8
0
-50
50
25
125
OUTPUT FFT
MAX13330/31 toc21
FREQUENCY (kHz)
AMPLITUDE (dBV)
10
15
R
L
= 32
Ω
-40
-20
0
-100
-120
-60
-80
-140
0
5
20
SHUTDOWN CURRENT vs. SUPPLY VOLTAGE
MAX13330/31 toc25
SUPPLY VOLTAGE (V)
SHUTDOWN CURRENT (
μ
A)
5.00
4.25
4.75
4.50
4
5
3
2
1
0
4.00
5.25
5.50
EXITING SHUTDOWN TRANSIENT
MAX13330/31 toc26
200
μs/div
OUTL
1V/div
OUTR
1V/div
SHDN
5V/div
SHUTDOWN CURRENT vs. TEMPERATURE
MAX13330/31 toc24
TEMPERATURE (
°C)
SHUTDOWN CURRENT (
μ
A)
0
75
-25
100
2.0
3.5
4.0
1.5
1.0
3.0
0.5
2.5
0
-50
50
25
125